00295nam a2200121Ia 4500100003500000650002500035654001300060245003000073260004000103082001000143300000800153546001200161  aNational Productivity Council   aNetworking & Telecom  aIndustry  aWelding Industry In U.S.A  bNational Productivity Councilc2001  a671.5  a102  aENGLISH